Finding the Fourth Proportional to 684,402.26, 1,026,603.40 and 185,766.26
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Solution
The fourth proportional to 684,402.26, 1,026,603.40 and 185,766.26 is: 278,649.39
Step by Step Solution
- Step 1: Write the proportion equation
684,402.26 : 1,026,603.40 = 185,766.26 : x - Step 2: Convert to fraction form
684,402.26/1,026,603.40 = 185,766.26/x - Step 3: Cross multiply
684,402.26x = 1,026,603.40 × 185,766.26 - Step 4: Simplify right side
684,402.26x = 190,708,274,121.28 - Step 5: Solve for x
x = 190,708,274,121.28/684,402.26 - Step 6: Final answer
x = 278,649.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.